This ingenious product can be connected to any air pump. It consists of a large base air stone approx 140mm this disperses air along thousands of green 'hairs' each approx. 290mm long. This creates a settlement area of 3.5sqm.

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This ingenious product can be connected to any air pump. It consists of a large base air stone approx 140mm this disperses air along thousands of green 'hairs' each approx. 290mm long. This creates a settlement area of 3.5sqm.....from Pondkeeper